Patentable/Patents/US-7378726
US-7378726

Stacked packages with interconnecting pins

PublishedMay 27, 2008
Assigneenot available in USPTO data we have
Inventorsnot available in USPTO data we have
Technical Abstract

A system may include a first integrated circuit package including a first integrated circuit die and a first integrated circuit package substrate defining a first plurality of openings, a second integrated circuit package including a second integrated circuit die and a second integrated circuit package substrate defining a second plurality of openings, and a third substrate comprising a plurality of conductive projections. Each of the plurality of conductive projections may be disposed within a respective one of the first plurality of openings and a respective one of the second plurality of openings.

Patent Claims
20 claims

Legal claims defining the scope of protection, as filed with the USPTO.

1

1. An apparatus comprising: a first integrated circuit package comprising a first integrated circuit die and a first integrated circuit package substrate, the first integrated circuit package substrate defining a first plurality of openings; a second integrated circuit package comprising a second integrated circuit die and a second integrated circuit package substrate, the second integrated circuit package substrate defining a second plurality of openings; and a third substrate comprising a plurality of conductive projections, wherein each of the plurality of conductive projections is disposed within a respective one of the first plurality of openings and a respective one of the second plurality of openings; wherein one of the plurality of conductive projections contacts a first conductive element of the first integrated circuit package and a second conductive element of the second integrated circuit package; wherein the first conductive element is electrically connected to the first integrated circuit die and the second conductive element is electrically connected to the second integrated circuit die; wherein the third substrate comprises a plurality of solder balls, and wherein the one of the plurality of conductive projections is electrically connected to one of the plurality of solder balls.

2

2. An apparatus comprising: a first integrated circuit package comprising a first integrated circuit die and a first integrated circuit package substrate, the first integrated circuit package substrate defining a first plurality of openings; a second integrated circuit package comprising a second integrated circuit die and a second integrated circuit package substrate, the second integrated circuit package substrate defining a second plurality of openings; and a third substrate comprising a plurality of conductive projections, wherein each of the plurality of conductive projections is disposed within a respective one of the first plurality of openings and a respective one of the second plurality of openings; wherein the first integrated circuit package comprises a third integrated circuit die, and wherein the first integrated circuit die comprises a microprocessor and the third integrated circuit die comprises static random access memory.

3

3. An apparatus according to claim 2 , wherein the second integrated circuit package comprises a fourth integrated circuit die, and wherein the second integrated circuit die comprises flash memory and the fourth integrated circuit die comprises flash memory.

4

4. An apparatus comprising: a first integrated circuit package comprising a first integrated circuit die and a first integrated circuit package substrate, the first integrated circuit package substrate defining a first plurality of openings; a second integrated circuit package comprising a second integrated circuit die and a second integrated circuit package substrate, the second integrated circuit package substrate defining a second plurality of openings; and a third substrate comprising a plurality of conductive projections, wherein each of the plurality of conductive projections is disposed within a respective one of the first plurality of openings and a respective one of the second plurality of openings; wherein the first integrated circuit package comprises a first plurality of wirebonds to connect the first integrated circuit die to the first integrated circuit package substrate, wherein the second integrated circuit package comprises a second plurality of wirebonds to connect the second integrated circuit die to the second integrated circuit package substrate.

5

5. An apparatus according to claim 4 , further comprising: first mold compound disposed over the first integrated circuit die and the first plurality of wirebonds; and second mold compound disposed over the second integrated circuit die and the second plurality of wirebonds.

6

6. An apparatus according to claim 5 , wherein the first mold compound defines a third plurality of openings, wherein the second mold compound defines a fourth plurality of openings, and wherein each of the plurality of conductive projections is disposed within a respective one of the third plurality of openings and a respective one of the fourth plurality of openings.

7

7. An apparatus comprising: a first integrated circuit package comprising a first integrated circuit die and a first integrated circuit package substrate, the first integrated circuit package substrate defining a first plurality of openings; a second integrated circuit package comprising a second integrated circuit die and a second integrated circuit package substrate, the second integrated circuit package substrate defining a second plurality of openings; and a third substrate comprising a plurality of conductive projections, wherein each of the plurality of conductive projections is disposed within a respective one of the first plurality of openings and a respective one of the second plurality of openings; wherein the plurality of conductive projections are disposed on a first face of the third substrate, wherein the third substrate comprises a plurality of solder balls disposed on a second face of the third substrate, and wherein at least one of the plurality of conductive projections is electrically connected to one of the plurality of solder balls.

8

8. A method comprising: fabricating a first integrated circuit package substrate defining a first plurality of openings; coupling a first integrated circuit die to the first integrated circuit package substrate; fabricating a second integrated circuit package substrate defining a second plurality of openings; coupling a second integrated circuit die to the second integrated circuit package substrate; and coupling the first integrated circuit package substrate and the second integrated circuit package substrate to a third substrate comprising a plurality of conductive projections, wherein each of the plurality of conductive projections is coupled to a respective one of the first plurality of openings and to a respective one of the second plurality of openings; wherein one of the plurality of conductive projections contacts a first conductive element of the first integrated circuit package and a second conductive element of the second integrated circuit package; wherein the first conductive element is electrically connected to the first integrated circuit die and the second conductive element is electrically connected to the second integrated circuit die; wherein the third substrate comprises a plurality of solder balls, and wherein the one of the plurality of conductive projections is electrically connected to one of the plurality of solder balls.

9

9. A method comprising: fabricating a first integrated circuit package substrate defining a first plurality of openings; coupling a first integrated circuit die to the first integrated circuit package substrate; fabricating a second integrated circuit package substrate defining a second plurality of openings; coupling a second integrated circuit die to the second integrated circuit package substrate; coupling the first integrated circuit package substrate and the second integrated circuit package substrate to a third substrate comprising a plurality of conductive projections, and coupling a third integrated circuit die to the first integrated circuit die, wherein each of the plurality of conductive projections is coupled to a respective one of the first plurality of openings and to a respective one of the second plurality of openings; and wherein the first integrated circuit die comprises a microprocessor and the third integrated circuit die comprises static random access memory.

10

10. A method according to claim 9 , further comprising: coupling a fourth integrated circuit die to the second integrated circuit die, wherein the second integrated circuit die comprises flash memory and the fourth integrated circuit die comprises flash memory.

11

11. A method comprising: fabricating a first integrated circuit package substrate defining a first plurality of openings; coupling a first integrated circuit die to the first integrated circuit package substrate; fabricating a second integrated circuit package substrate defining a second plurality of openings; coupling a second integrated circuit die to the second integrated circuit package substrate; coupling the first integrated circuit package substrate and the second integrated circuit package substrate to a third substrate comprising a plurality of conductive projections, connecting a first plurality of wirebonds to the first integrated circuit die and to the first integrated circuit package substrate; and connecting a second plurality of wirebonds to the second integrated circuit die and to the second integrated circuit package substrate; wherein each of the plurality of conductive projections is coupled to a respective one of the first plurality of openings and to a respective one of the second plurality of openings.

12

12. A method according to claim 11 , further comprising: depositing first mold compound over the first integrated circuit die and the first plurality of wirebonds; and depositing second mold compound disposed over the second integrated circuit die and the second plurality of wirebonds.

13

13. A method according to claim 12 , wherein the first mold compound defines a third plurality of openings, wherein the second mold compound defines a fourth plurality of openings, and wherein each of the plurality of conductive projections is disposed within a respective one of the third plurality of openings and a respective one of the fourth plurality of openings.

14

14. A method comprising: fabricating a first integrated circuit package substrate defining a first plurality of openings; coupling a first integrated circuit die to the first integrated circuit package substrate; fabricating a second integrated circuit package substrate defining a second plurality of openings; coupling a second integrated circuit die to the second integrated circuit package substrate; and coupling the first integrated circuit package substrate and the second integrated circuit package substrate to a third substrate comprising a plurality of conductive projections, wherein each of the plurality of conductive projections is coupled to a respective one of the first plurality of openings and to a respective one of the second plurality of openings; wherein the plurality of conductive projections are disposed on a first face of the third substrate, wherein the third substrate comprises a plurality of solder balls disposed on a second face of the third substrate, and wherein at least one of the plurality of conductive projections is electrically connected to one of the plurality of solder balls.

15

15. A system comprising: a microprocessor die; a first integrated circuit package substrate coupled to the microprocessor die, the first integrated circuit package substrate defining a first plurality of openings; a memory die; a second integrated circuit package substrate coupled to the memory die, the second integrated circuit package substrate defining a second plurality of openings; a third substrate comprising a plurality of conductive projections, each of the plurality of conductive projections being disposed within a respective one of the first plurality of openings and a respective one of the second plurality of openings; a motherboard connected to the third substrate; and a graphics controller connected to the motherboard.

16

16. A system according to claim 15 , wherein one of the plurality of conductive projections contacts a first conductive element of the first integrated circuit package and a second conductive element of the second integrated circuit package.

17

17. A system according to claim 16 , wherein the first conductive element is electrically connected to the microprocessor die and the second conductive element is electrically connected to the memory die.

18

18. A system according to claim 15 , further comprising: a second memory die coupled to the microprocessor.

19

19. A system according to claim 15 , further comprising: a first plurality of wirebonds connecting the microprocessor die to the first integrated circuit package substrate; a second plurality of wirebonds connecting the memory die to the second integrated circuit package substrate; first mold compound disposed over the microprocessor die and the first plurality of wirebonds; and second mold compound disposed over the memory die and the second plurality of wirebonds.

20

20. A system according to claim 19 , wherein the first mold compound defines a third plurality of openings, wherein the second mold compound defines a fourth plurality of openings, and wherein each of the plurality of conductive projections is disposed within a respective one of the third plurality of openings and a respective one of the fourth plurality of openings.

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Patent Metadata

Filing Date

December 28, 2005

Publication Date

May 27, 2008

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Cite as: Patentable. “Stacked packages with interconnecting pins” (US-7378726). https://patentable.app/patents/US-7378726

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